diff --git a/projects/flixel-desktop-habit-puzzle-game/source/HabitState.hx b/projects/flixel-desktop-habit-puzzle-game/source/HabitState.hx
index 89f1bc20..f5d207ed 100644
--- a/projects/flixel-desktop-habit-puzzle-game/source/HabitState.hx
+++ b/projects/flixel-desktop-habit-puzzle-game/source/HabitState.hx
@@ -1,5 +1,6 @@
 package;
 
+using StringTools;
 import flash.display.BitmapData;
 import haxe.io.Path;
 import flixel.FlxG;
diff --git a/projects/flixel-desktop-habit-puzzle-game/source/HabitState.kiss b/projects/flixel-desktop-habit-puzzle-game/source/HabitState.kiss
index 66b3c186..4cca5309 100644
--- a/projects/flixel-desktop-habit-puzzle-game/source/HabitState.kiss
+++ b/projects/flixel-desktop-habit-puzzle-game/source/HabitState.kiss
@@ -249,9 +249,14 @@
     FlxColor.GRAY
 ])
 
+(function nameForSave [:String name]
+    (doFor forbiddenChar (.split #"~%&\;:"',<>?# "# "")
+        (set name (name.replace forbiddenChar "")))
+    name)
+
 (method makeRewardSprites [m p currentRewardFile]
     (set save (new FlxSave))
-    (save.bind currentRewardFile.path)
+    (assert (save.bind (nameForSave currentRewardFile.path)) "failed to bind save data")
     (unless save.data.storedPositions
         (set save.data.storedPositions (new Map<Int,FlxPoint>)))
     (unless save.data.storedAngles